Use std::to_string

2 files changed, 3 insertions, 2 deletions

diff --git a/src/constructs/passhash/passhash9.cpp b/src/constructs/passhash/passhash9.cpp
index 6618f36fa..3099e061e 100644
--- a/src/constructs/passhash/passhash9.cpp
+++ b/src/constructs/passhash/passhash9.cpp
@@ -62,7 +62,8 @@ std::string generate_passhash9(const std::string& pass,
    MessageAuthenticationCode* prf = get_pbkdf_prf(alg_id);
 
    if(!prf)
-      throw Invalid_Argument("Passhash9: Algorithm id " + to_string(alg_id) +
+      throw Invalid_Argument("Passhash9: Algorithm id " +
+                             std::to_string(alg_id) +
                              " is not defined");
 
    PKCS5_PBKDF2 kdf(prf); // takes ownership of pointer
diff --git a/src/pbkdf/pbkdf2/pbkdf2.cpp b/src/pbkdf/pbkdf2/pbkdf2.cpp
index 6f6a514f8..5409c2c56 100644
--- a/src/pbkdf/pbkdf2/pbkdf2.cpp
+++ b/src/pbkdf/pbkdf2/pbkdf2.cpp
@@ -30,7 +30,7 @@ OctetString PKCS5_PBKDF2::derive_key(u32bit key_len,
    catch(Invalid_Key_Length)
       {
       throw Exception(name() + " cannot accept passphrases of length " +
-                      to_string(passphrase.length()));
+                      std::to_string(passphrase.length()));
       }
 
    SecureVector<byte> key(key_len);